Automatic controls for a nut roaster

Claim 1

IN A MATERIAL ROASTING MACHINE, A ROTATABLE RECEPTACLE; MEANS FOR FEEDING MATERIAL INTO THE RECEPTACLE, INCLUDING MEANS DEFINING A MATERIAL PASSAGE, A PAIR OF SPACED GATES SHIFTABLE ALTERNATELY TO AND FROM A POSITION CLOSING THE PASSAGE, MEANS YIELDABLY HOLDING ONE OF SAID GATES BIASED TOWARD ITS OPEN POSITION, A FINGER RIGIDLY COUPLED WITH SAID ONE GATE, A ROTATABLE DISC, A LINK PIVOTALLY INTERCONNECTING SAID DISC AND THE OTHER GATE FOR SHIFTING THE LATTER TO AND FROM ITS CLOSED POSITION AS THE DISC ROTATES, THE PIVOTAL CONNECTION BETWEEN THE LINK AND THE DISC BEING SPACED FROM THE AXIS OF ROTATION OF THE LATTER, A LATERALLY-EXTENDING, ARCUATE FLANGE ON THE DISC CONCENTRIC WITH SAID AXIS OF ROTATION OF THE LATER AND ENGAGEABLE WITH SAID FINGER FOR SHIFTING SAID ONE GATE TO ITS CLOSED POSITION AS THE DISC OPENS THE OTHER GATE, AN ELECTRIC DEVICE CONNECTED WITH SAID DISC FOR ROTATING THE LATTER, AND AN ELECTRIC SWITCH OPERABLY COUPLED WITH SAID DEVICE, SAID ONE GATE ENGAGING THE SWITCH TO DE-ENERGIZE THE DEVICE WHEN THE ONE GATE IS OPEN; A PAIR OF MOTORS OPERABLY CONNECTED WITH SAID RECEPTACLE AND ADAPTED TO ALTERNATELY ROTATE THE RECEPTACLE IN OPPOSITE DIRECTIONS; MEANS FOR AUTOMATICALLY DE-ENERGIZING ONE OF SAID MOTORS AND ENERGIZING THE OTHER MOTOR AFTER THE ONE MOTOR HAS ROTATED THE RECEPTACLE IN ONE DIRECTION FOR A PREDETERMINED PERIOD OF TIME; AND MEANS FOR AUTOMATICALLY DEENERGIZING THE OTHER MOTOR AND ENERGIZING SAID DEVICE AFTER SAID OTHER MOTOR HAS ROTATED THE RECEPTACLE IN THE OPPOSITE DIRECTION FOR A PREDETERMINED PERIOD OF TIME.